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Product Detailed Parameters
- Description：IC FAN DRIVER 40V 660MA 6UTDFN
- Series：-
- Mfr：Melexis Technologies NV
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：-
- Interface：PWM
- Technology：-
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：1A
- Voltage - Supply：3.2V ~ 32V
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：6-DFN Exposed Pad
- Supplier Device Package：6-UTDFN (2.5x2)
- Grade：-
- Qualification：-
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Overview
The MLX90411KLD-BAH-049-RE is a low-noise, fully integrated single-coil fan driver from Melexis. It features an onboard high-sensitivity Hall effect sensor and supports supply voltages of 5V, 12V, 24V, and up to 32V. The device provides a maximum motor current of 960mA and includes an integrated 40V power clamp for transient protection. It utilizes a UTDFN-6 package (2.5x2.0x0.4mm) and offers adaptive commutation for efficiency and noise reduction. Control options include open-loop PWM input and closed-loop speed control with ±1.5% accuracy via I2C programming.
Feature Summary
- Integrated high-sensitivity Hall effect sensor for precise rotor position detection
- Adaptive commutation control optimizing efficiency and minimizing acoustic noise across the entire speed range
- Built-in 40V power clamp eliminating the need for external TVS diodes in higher voltage applications
- Configurable diagnostic outputs including frequency generator (FG) and tachometer (RD) signals
Applications
- Consumer electronics cooling fans
- Household appliance blowers and pumps
- Information technology thermal management systems
- Industrial equipment ventilation
Procurement Notes
Verify component authenticity through authorized Melexis distributors or certified partners. Confirm the specific suffix -049-RE matches the required reel quantity and tape-and-reel specifications. Ensure the UTDFN-6 package orientation aligns with your PCB footprint design. Check for RoHS compliance documentation relevant to your target market regulations before finalizing procurement orders.
Selection Notes
Select this variant when a 40V clamp rating is necessary for 24V or 32V systems. The 960mA current limit suits loads under 15W. Choose the UTDFN-6 package for space-constrained designs requiring surface-mount assembly. Verify that the open-loop control mode meets your application's speed regulation requirements without needing complex closed-loop feedback integration.
Part Context
This component belongs to the MLX90411 series of intelligent fan drivers designed for consumer and industrial markets. It complements the automotive-grade MLX90411L variants by offering optimized performance for standard voltage environments. The series emphasizes low electromagnetic interference and silent operation, serving as a compact alternative to discrete driver solutions in modern electronic devices.
Replacement Considerations
Consult official Melexis documentation for direct pin-to-pin replacements within the MLX90411 family. Verify that substitute parts match the 40V clamp specification and 960mA current limit. Cross-reference package dimensions and electrical characteristics to ensure compatibility with existing board layouts and thermal management strategies.
